Budinski, Kenneth G., author
Prentice-Hall, 1999
Buku Teks
Bird, B. M.
John Wiley & Sons, 1983
Buku Teks
Budinski, Kenneth G., author
Pearson Education, 2002
Buku Teks
Sijthoff & Noordhoff International Publishers, 1977
Buku Teks
Bharatiya Vidya Bhavan, 1963
Buku Teks